scope:

IEC 62020-1:2020 applies to residual current monitors for household and similar purposes, having rated operational voltages and a rated voltage of the monitored circuit not exceeding 440 V AC and rated currents not exceeding 125 A. This first edition cancels and replaces IEC 62020:1998 and IEC 62020:1998/AMD1:2003. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - definition of Type F and Type B RCM; - marking of Type F and Type B RCM; - introduction of a new subclause, <!--[if supportFields]><span lang=EN-GB><span style='mso-element:field-begin'></span><span style='mso-spacerun:yes'> </span>REF _Ref521411992 \r \h<span style='mso-spacerun:yes'> </span>\* MERGEFORMAT <span style='mso-element:field-separator'></span></span><![endif]-->8.20<!--[if gte mso 9]><xml> <w:data>08D0C9EA79F9BACE118C8200AA004BA90B02000000080000000E0000005F005200650066003500320031003400310031003900390032000000</w:data> </xml><![endif]--><!--[if supportFields]><span lang=EN-GB><span style='mso-element:field-end'></span></span><![endif]-->; - modification of <!--[if supportFields]><span lang=EN-GB><span style='mso-element:field-begin'></span><span style='mso-spacerun:yes'> </span>REF _Ref521412027 \r \h<span style='mso-spacerun:yes'> </span>\* MERGEFORMAT <span style='mso-element:field-separator'></span></span><![endif]-->9.7<!--[if gte mso 9]><xml> <w:data>08D0C9EA79F9BACE118C8200AA004BA90B02000000080000000E0000005F005200650066003500320031003400310032003000320037000000</w:data> </xml><![endif]--><!--[if supportFields]><span lang=EN-GB><span style='mso-element:field-end'></span></span><![endif]-->; - update of <!--[if supportFields]><span lang=EN-GB><span style='mso-element:field-begin'></span><span style='mso-spacerun:yes'> </span>REF _Ref521412044 \r \h<span style='mso-spacerun:yes'> </span>\* MERGEFORMAT <span style='mso-element:field-separator'></span></span><![endif]-->9.9< ...